Add GPG key for 2.0.1 release (#235)

diff --git a/add-version.sh b/add-version.sh
index ee673b8..818d693 100755
--- a/add-version.sh
+++ b/add-version.sh
@@ -110,6 +110,8 @@
     gpg_key="8D56AE6E7082699A4870750EA4E8C4C05EE6861F"
 elif [ "$flink_version" = "2.0.0" ]; then
     gpg_key="F8E419AA0B60C28879E876859DFF40967ABFC5A4"
+elif [ "$flink_version" = "2.0.1" ]; then
+    gpg_key="E60A9680590FF0FF13B9DE01224C2311410823C4"
 else
     error "Missing GPG key ID for this release"
 fi